<%--
  Created by IntelliJ IDEA.
  User: 刘明福
  Date: 2021/5/30
  Time: 14:11
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
  <head>
    <title>hello</title>
    <script type="text/javascript" src="js/jquery-1.7.2.js"></script>
    <script type="text/javascript">
      $(function () {
          $("#btn").click(function () {
            alert("jquery");

          })
      })
    </script>
  </head>
  <body>
  <button id="btn">jQuery</button>
  </body>
</html>
